BESTFIT Mainspring 414A for ETA 1216, Wittnauer 5JH & 5UN - Alloy

sBESTFIT Mainspring 414A for Wittnauer 5JH & 5UN and ETA 1216 plus perhaps similar ébauche watches, white alloy, new in possibly frail or discolored envelope. See image for precise mainspring specifications. I likely have several of these so the one you get may differ from the images (including some repackaged by Cas-Ker). I specialize is hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.